设计模式程序.docx

作业一（1）：工厂方法模式AmdCPU.java:public class AmdCPU implements CPUpublic void play()System.out.println(AmdCPU生产中.);AmdCPUFactory.java:public class AmdCPUFactory implements CPUFactorypublic CPU productCPU()System.out.println(AmdCPU工厂生产AmdCPU。);return new AmdCPU();Client .java:public class Client public static void main(String args) tryCPU cpu;CPUFactory factory;factory=(CPUFactory)XMLUtil.getBean();cpu=ductCPU();cpu.play();catch(Exception e) e.printStackTrace();System.out.println(e.getMessage();CPU.java:public interface CPU public void play();CPUFactory.java:public interface CPUFactorypublic CPU productCPU();IntelCPU.java:public class IntelCPU implements CPUpublic void play()System.out.println(IntelCPU生产中.);IntelCPUFactory .java:public class IntelCPUFactory implements CPUFactory public CPU productCPU()System.out.println(IntelCPU工厂生产IntelCPU。);return new IntelCPU();XMLUtil.java:import java.io.*;import javax.xml.parsers.*;import org.w3c.dom.*;import java.lang.*;public class XMLUtil public static Object getBean()tryDocumentBuilderFactory dFactory=DocumentBuilderFactory.newInstance();DocumentBuilder builder=dFactory.newDocumentBuilder();Document doc;doc=builder.parse(new File(config.xml);NodeList nl=doc.getElementsByTagName(className);Node classNode=nl.item(0).getFirstChild();String cName=classNode.getNodeValue();Class c=Class.forName(exe1_1.+cName);Object obj=c.newInstance();return obj;catch(Exception e)e.printStackTrace();return null;作业一（2）：抽象工厂模式AmdCPU.java:public class AmdCPU implements CPUpublic void play()System.out.println(AmdCPU生产中.);AmdFactory .java:public class AmdFactory implements EFactorypublic CPU productCPU()return new AmdCPU();public Memory productMemoryBank()return new AmdMemory();AmdMemory.java:public class AmdMemory implements Memorypublic void produce()System.out.println(Amd内存条生产中.);Client.java:public class Client public static void main(String args)tryCPU cpu;EFactory factory;Memory me;factory=(EFactory)XMLUtil.getBean();cpu=ductCPU();cpu.play();me=ductMemoryBank();duce();catch(Exception e)e.printStackTrace();CPU.java:public interface CPU public void play();EFactory.java:public interface EFactory public CPU productCPU();public Memory productMemoryBank();IntelCPU.java:public class IntelCPU implements CPUpublic void play()System.out.println(IntelCPU生产中.);IntelFactory.java:public class IntelFactory implements EFactorypublic CPU productCPU()return new IntelCPU();public Memory productMemoryBank()return new IntelMemory();IntelMemory.java:public class IntelMemory implements Memorypublic void produce()System.out.println(Intel内存条生产中.);Memory.java:public interface Memory public void produce();XMLUtil.java:import java.io.File;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;public class XMLUtil public static Object getBean()tryDocumentBuilderFactory dFactory=DocumentBuilderFactory.newInstance();DocumentBuilder builder=dFactory.newDocumentBuilder();Document doc;doc=builder.parse(new File(config.xml);NodeList nl=doc.getElementsByTagName(className);Node classNode=nl.item(0).getFirstChild();String cName=classNode.getNodeValue();Class c=Class.forName(exe1_2.+cName);Object obj=c.newInstance();return obj;catch(Exception e)e.printStackTrace();return null;作业六：观察者模式Client.java:public class Client public static void main(String args)SeekJobCenter center=new SeekJobCenter();University ZhangLin=new University(center,a.txt);Master WangHao=new Master(center,b.txt);center.giveNewMess(三菱公司需要15个前端开发设计师。);center.notifyObservers();center.giveNewMess(宫崎骏公司需要2个动画设计师。);center.notifyObservers();center.giveNewMess(美的公司需要5个电工。);center.notifyObservers();center.giveNewMess(格力公司需要10个电工。);center.notifyObservers();Master.java:import java.io.File;import java.io.IOException;import java.io.RandomAccessFile;public class Master implements ObserverSubject subject;File myFile;Master(Subject subject,String fileName)this.subject=subject;subject.addObserver(this);myFile=new File(fileName);public void hearTelephone(String heardMess)tryboolean boo=heardMess.contains(前端开发设计师)|heardMess.contains(软件);if(boo)RandomAccessFile out=new RandomAccessFile(myFile,rw);out.seek(out.length();byte b=heardMess.getBytes();out.write(b);System.out.println();System.out.print(我是一个研究生，);System.out.print(我向文件+myFile.getName()+写入如下内容：);System.out.print(heardMess);elseSystem.out.println();System.out.println(我是研究生，这次的信息中没有我需要的信息);catch(IOException exp)System.out.println(exp.toString();Observer.java:public interface Observer public void hearTelephone(String heardMess);SeekJobCenter.java:import java.util.ArrayList;public class SeekJobCenter implements SubjectString mess;boolean changed;ArrayList personList;SeekJobCenter()personList=new ArrayList();mess=;changed=false;public void addObserver(Observer o)if(!(personList.contains(o)personList.add(o);public void deleteObserver(Observer o)if(!(personList.contains(o)personList.remove(o);public void notifyObservers()if(changed)for(int i=0;ipersonList.size();i+)Observer observer=personList.get(i); observer.hearTelephone(mess);changed=false;public void giveNewMess(String str)if(str.equals(mess)changed=false;elsemess=str;changed=true;Subject.java:public interface Subject public void addObserver(Observer o);public void deleteObserver(Observer o);public void notifyObservers();University.java:import java.io.File;import java.io.IOException;import java.io.RandomAccessFile;public class University implements ObserverSubject subject;File myFile;University(Subject subject,String fileName)this.subject=subject;subject.addObserver(this);myFile=new File(fileName);public void hearTelephone(String heardMess)tryRandomAccessFile out=new RandomAccessFile(myFile,rw);out.seek(out.length();byte b=heardMess.getBytes();out.write(b);System.out.println();System.out.print(我是一个大学生，);System.out.print(我向文件+myFile.getName()+写入如下内容：);System.out.print(heardMess);catch(IOException exp)System.out.println(exp.toString();作业七：策略模式BookCart.java:import java.util.ArrayList;class BookCart private ArrayList list=new ArrayList();public void addBookOrder(BookOrder order)list.add(order);public void deleteBookOrder(BookOrder order)list.remove(order);public double payBill()System.out.println(-阿毛书店，谢谢光临！-);double totalMoney=0;for(int i=0;ilist.size();i+) totalMoney+=list.get(i).getOrderMoney();System.out.println(您一共需要支付：+totalMoney+元。);return totalMoney;BookOrder.java:public class BookOrder private int bookID;private String type;private double price;private int amount;private Discount strategy;public BookOrder(int bookID,String type,double price,int amount)super();this.bookID=bookID;this.type=type;this.price=price;this.amount=amount;this.setDiscountStrategy();public int getBookID()return bookID;public void setBookID(int bookID)this.bookID=bookID;public String getType()return type;public void setType(String type)this.type=type;public double getPrice()return price;public void setPrice(double price)this.price=price;public int getAmount()return amount;public void setAmount(int amount)this.amount=amount;public void setDiscountStrategy()if(this.type.equals(coumputer)this.strategy=new ComputerBookDiscount();else if(this.type.equals(language)this.strategy=new LanguageBookDiscount();else if(this.type.equals(novel)this.strategy=new NovelBookDiscount();elsethis.strategy=new NullDiscount();public double getOrderMoney()double bill=pute(this.amount,this.price);System.out.println(书：+this.bookID+t+this.type+类t共：+this.amount+本，t单价为： +this.price+t原价为：+this.price*this.amount+t打折后为：+bill);return bill;Client .java:public class Client public static void main(String args)BookCart cart=new BookCart();BookOrder order1=new BookOrder(1001,ComputerBook,33.00,10);BookOrde